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Building Materials

Q1: The variety of pig iron used for the manufacture of steel by Bessemer process, is

A Bessemer pig

B Grey pig

C White forge pig

D Mottled pig.

ANS:A - Bessemer pig

The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron. The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron.



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